Electrical Engineering : Economics Of Power Generation QUESTIONS AND ANSWERS :: part4 : 11 to 15
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
11.Which of the following devices may be used to provide protection against lightening over voltages ? |
| Horn gaps |
| Rod gaps |
| Surge absorbers |
| All of the above |
12.When the demand of consumers is not met by a power plant, it will resort to which of the following ? |
| Load shedding |
| Power factor improvement at the , generators |
| Penalising high load consumers by increasing the charges for electricity |
| Efficient plant operation |
13.The expected useful life of an hydroelectric power station is around |
| 15 years |
| 30 years |
| 60 years |
| 100 years |
14.An alternator coupled to a _____ runs at slow speed, as compared to as compared to others. |
| diesel engine |
| hydraulic turbine |
| steam turbine |
| gas turbine |
15.For the same cylinder dimensions and speed, which of the following engine will produce least power ? |
| Supercharged engine |
| Diesel engine |
| Petrol engine |
| All of the above engines will equal power |
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